Convert Rankine (°R) to Kelvin (K) instantly. Enter any value — result updates live.
Converting Rankine to Kelvin is a common temperature conversion. One rankine (°R) equals 0.555555556 kelvin (K). Rankine is an absolute temperature scale using Fahrenheit degree intervals, used in some US engineering applications.
This conversion is commonly needed for weather and travel planning, cooking and baking, scientific experiments. Kelvin is the SI unit for thermodynamic temperature, used in physics and engineering.
To put rankine in perspective: absolute zero (0 °R). In kelvin, common references include liquid nitrogen (-196 °C or 77 K).
The Rankine scale, proposed by Scottish engineer William Rankine in 1859, is essentially Fahrenheit shifted so 0 °R equals absolute zero — it's still used in some US thermodynamics and aerospace contexts.
0 Kelvin (absolute zero) is theoretically the lowest possible temperature, where all molecular motion stops. It has never been fully achieved in a laboratory.
People frequently convert between rankine and kelvin for:
| Rankine (°R) | Kelvin (K) |
|---|---|
| 1 °R | 0.555555556 K |
| 2 °R | 1.11111 K |
| 5 °R | 2.77778 K |
| 10 °R | 5.55556 K |
| 15 °R | 8.33333 K |
| 20 °R | 11.1111 K |
| 25 °R | 13.8889 K |
| 30 °R | 16.6667 K |
| 50 °R | 27.7778 K |
| 100 °R | 55.5556 K |
| 200 °R | 111.1 K |
| 500 °R | 277.8 K |
| 1000 °R | 555.6 K |